<template>
<div>
<div class="item"> </div>
</div>
</template>

 <script>
 export default{
     data(){
         return{};
     },
     methods:{},
 };
 </script>

    <style scoped>
        .item{
            position: fixed;
            left: 0;
            bottom: 0;
            width: 100px;
            height: 100px;
            border: 1px solid black;
            background: red;
   
        }
    </style>